unpowered
/ˌən-ˈpau̇(-ə)rd How to pronounce unpowered (audio)/ (ame, mw)
unpowered — adjective
- unpoweredpositive
- more unpoweredcomparative
- most unpoweredsuperlative
1. not using a motor, electricity, or another source of mechanical power
not using a motor, electricity, or another source of mechanical power
Kenji trained in an unpowered glider before flying small planes alone.
unpowered + glider in pilot training
The clinic keeps an unpowered wheelchair near the lift for emergencies.
unpowered + wheelchair in equipment descriptions
During the blackout, the museum's unpowered doors had to be opened by hand.
The exercise bike's unpowered belt moves only when the rider pedals.
Obi chose an unpowered lawn mower because the garden was very small.
- motorless
very close in meaning, especially for vehicles or machines without an engine
- manual
stresses that a person operates it by hand, not just that it lacks a motor
- battery-free
narrower; it only says that batteries are not used
文法句型
unpowered + glider/wheelchair/tool/vehicle
be unpowered
用法筆記
Often used in product or transport descriptions to contrast something with a powered version. It usually suggests that movement comes from a person, wind, or another outside force rather than from a built-in motor.